Here's what rhymes with betray.
                        
                        
                    
                                play  re  lay  pray  ray  prey  tray  yea  ley  rei  drei  lei  rea  tre  bray  dray  brae  roue  trey  they  may  day  way  say  pay  delay  display  j  array  bay  clay  gay  gray  grey  k  che  hay  nay  spray  weigh  ballet  stray  fay  fe  fray  slay  allay  defray  dey  hey  sei  sleigh  whey  bj  bk  jay  kc  payee  rj  tae  tj  wei  bey  flay  neigh  belay  cay  fey  shay  splay  byplay  aurae  away  stay  today  decay  essay  obey  okay  dismay  portray  repay  sway  astray  oj  valet  bouquet  disarray  fillet  ij  ok  papillae  passe  dossier  fj  puree  replay  zwei  parquet  filet  inveigh  airplay  moray  patellae  prepay  purvey  toupee  hooray  briquet  hurray  medullae  outplay  reweigh  spay  umbrae  aweigh  bobsleigh  misplay  survey  cafe  interplay  vertebrae  attache  cliche  disobey  overlay  cabaret  naturae  saute  underlay  alleyway  crochet  croquet  fistulae  risque  soiree  souffle  wordplay  fibulae  nisei  pleurae  sachet  sorbet  soubriquet  stingray  underplay  noway  overplay  sickbay  urethrae  layaway  outstay  copay  penumbrae  tearaway  respray  anyway  convey  everyday  holiday  halfway  runaway  underway  faraway  lamellae  passageway  protege  waterway  emigre  francais  gangway  matinee  nebulae  toothache  breakaway  getaway  lingerie  sobriquet  caraway  carriageway  giveaway  hideaway  ricochet  throwaway  resurvey  stowaway  flyaway  overpay  roundelay  caesurae  underpay  copulae  yesterday  sequelae  microarray  maxillae  scapulae  straightaway  workaday  cabriolet  castaway  takeaway  macrame  overstay  uvulae  foldaway  walkaway  tarantulae  formulae  naivete  societe  trabeculae  cybercafe  communique  salmonellae  companionway  caravanserais